From: Andy Lutomirski <luto@amacapital.net>
To: linux-mm@kvack.org
Subject: Unexpected swapping without memory pressure
Date: Wed, 28 Mar 2012 12:37:41 -0700 [thread overview]
Message-ID: <CALCETrXeVgh4LuLmCCiHXohX8Vd_SJbo-h1r_wywTxLs6q+tjw@mail.gmail.com> (raw)
Last night, a server I run did something very strange: it swapped out
a bunch of pages when it apparently had lots of free memory. This
same server has had a more or less identical load for weeks and hasn't
swapped. Munin says:
http://web.mit.edu/luto/www/kernel/memory-day.png
http://web.mit.edu/luto/www/kernel/swap-day.png
When this happened, free memory was high. Any ideas?
This is a mainline kernel 3.0.19 with very minor and non-mm-related patches.
Thanks,
Andy
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reply other threads:[~2012-03-28 19:38 UTC|newest]
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